2212211212222 has 8 divisors (see below), whose sum is σ = 3619981983672. Its totient is φ = 1005550551000.

The previous prime is 2212211212207. The next prime is 2212211212243. The reversal of 2212211212222 is 2222121122122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 100555055101 = 2212211212222 / (2 + 2 + 1 + 2 + 2 + 1 + 1 + 2 + 1 + 2 + 2 + 2 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2212211212193 and 2212211212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50277527529 + ... + 50277527572.

It is an arithmetic number, because the mean of its divisors is an integer number (452497747959).

Almost surely, 2^{2212211212222} is an apocalyptic number.

2212211212222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212211212222 is a deficient number, since it is larger than the sum of its proper divisors (1407770771450).

2212211212222 is a wasteful number, since it uses less digits than its factorization.

2212211212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555055114.

The product of its digits is 512, while the sum is 22.

Adding to 2212211212222 its reverse (2222121122122), we get a palindrome (4434332334344).

The spelling of 2212211212222 in words is "two trillion, two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-two".